<template>
    <div>
      {{ msg }} --- {{ value }}
    </div>
  </template>
  <script setup lang="ts">
  import { onMounted } from 'vue'
  
  const msg = '123'
  const value = 654
  
  onMounted(() => {
    console.log('这里是onMounted生命周期')
  })
  </script>
  <style lang="">
    
  </style>